We found 291 resources with the concept moles

Using simple materials, an informative lesson plan demonstrates the Law of Conservation of Matter and explains how to balance chemical equations. Young chemists perform experiments, analyze reactions, and balance chemical equations on...

Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...

This 60-question comprehensive exam was designed to determine who would go on to compete in the 2000 US National Chemistry Olympiad. Hopefuls answer multiple choice questions regarding all chemistry topics taught in the first year...

Here is a copy of a past national challenge exam that you can use in your general chemistry course as a unit or semester review. Sixty multiple-choice questions query learners on properties of matter, stoichiometry, reactions, and...

Only eight problems are on this competitive national chemistry exam. It required the balancing of chemical equations, solving stoichiometry questions, and more. This is part two of three of the national exam. Also available is a local...

To wrap up your year of general chemistry, have lab groups compete in a tot wire chemical vapor deposition (HWCVD) competition. With their foundation in chemical nomenclature, stoichiometry, and gas laws, each group completes several...

Students investigate the coefficients in a chemical equation and their relation to moles. In this moles and coefficients lesson plan, students perform a single replacement reaction of copper (II) sulfate and zinc and find the ratio of...

We all have standards and scientists are no exception. Presentation covers standard temperature, standard pressure, temperature conversions, and absolute zero. It explains pressure using pascals, mm of mercury, atmosphere, and torr, then...

For this real life chemistry worksheet, learners are given 12 problems to solve by converting from one unit to another. Students are given conversion factors to find their answers including finding the number of moles and molecules.

More than 80,000 scholars earned college credit for Chemistry with the AP exam in 2015. The College Board released the free-response questions covering topics, including moles, that often confuse scholars. They also released example...

More than 83,000 scholars earned college credit, thus saving time and money by passing the AP Chemistry exam in 2017. Use the exact test questions covering concepts from activation energy to solubility to prepare for the upcoming...

While AP Physics 1 counts as an introductory college Physics course, AP Physics 2 counts as a second-year college Physics course. Help scholars prepare for this more advanced college-level test with questions from previous assessments...

Acids and bases have a love-hate relationship. They balance each other so nicely, but they are complete opposites! Learners use these concepts and titration to calculate the molar mass of an unknown substance. The experiment document...

Precision is imperative in science! Learn how science defines units of measure and how that changed for several units in 2018. A video lesson describes the history behind the definition of the kilogram, and the narrator then explains why...

You definitely want to check out this mole! Chemistry scholars experiment to observe an unobservable quantity with an engaging lesson plan from K20. Partners collaborate to determine what's inside an opaque box, then complete a series of...

Chemistry calculations can look a bit like alphabet soup at times. How do you help pupils make sense of it all? An interactive resource helps scholars sort through the symbols for common quantities such as moles, boiling point, and...

Ready to teach your class about molar mass and solution concentration? Make time for an interactive resource that will challenge their reasoning and problem-solving skills. Science scholars calculate the molarity of several solutions...

Need a fun solution to teaching ... solutions? A series of puzzles provides reinforcement to key molarity terms and calculations. Science scholars determine the concentration of several solutions before using the information to solve...

How many calculations can you think of that include moles? Chances are, plenty! Show young chemists the uses of the multifaceted mole with thought-provoking puzzles. Individuals identify and associate the outcomes of molar quantities...

Challenging and interactive—everything you need in a resource! Chemistry scholars manipulate a series of puzzles focused on molarity. The teacher's guide provides support for implementing the lesson, as well as printable materials.

Teaching chemical equations can be quite a balancing act! Bolster your class' balancing abilities using a video from a helpful chemistry playlist. The resource explains the theory behind balancing, then shows viewers how to accomplish it...